Tommy Kirk appeared in four other beach movies*: Village of the Giants, Pajama Party, The Ghost in the Invisible Bikini and It’s a Bikini World. This was part of a four-movie deal with Executive Pictures Corporation, but this was the only one that got made. It also had two great AKA titles: Scuba Party and Never Steal Anything Wet.
This was directed by Lee “Roll ‘Em” Sholem, a man who shot 1,300 movies and TV shows, including Ma and Pa Kettle at Waikiki and several episodes of Superman, Captain Midnight and Maverick. He was assisted by cinematographer Ted V. Mikels, the man who would one day make The Astro-Zombies and The Doll Squad.
An ancient Chinese treasure gets stolen and makes its way to Catalina Island, along with Don Pringle (Kirk) and a ton of bikini-wearing ladies, as well as Carol Connors, The Cascades and Little Richard. There’s also a beautiful girl named Katrina Corelli (Ulla Strömstedt) who is engaged to the wrong man (Lyle Waggoner (Love Me Deadly, Surf II).
Robert Donner, who was Mork’s boss on Mork and Mindy, is in this, as are Sue Casey (The Beach Girl and the Monster), July 1967 Playboy covergirl Venita Wolf, Michael Blodgett (Lance Rocke!) and Dan Duryea’s son Peter.
*He was also known for being in Disney films, but a marijuana charge ruined all that.
You can watch the Mystery Science Theater riffed take on this movie on Tubi.